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10.1 Sexual Reproduction in Flowering Plants

  • In the plant life cycle, the pollen grain carries sperm to the egg located within a flower part.
  • Flowering plants have two stages in their life cycle, this is called Alternation of Generations.
  1. What is meant by alternation of generations in the flowering plant life cycle?
    Answer

  2. What is double fertilization?
    Answer

Essential Study Partner
    Angiosperms
    Gamete Formation
    Fertilization

10.2 Growth and Development

  • Following fertilization, growth and development are required for the zygote to become an embryo enclosed within a seed.
  • Seeds must be dispersed and must germinate to complete the plant life cycle.
  1. In flowering plants, the seed develops form what part of the flower? From what part of the flower does the fruit develop?
    Answer

  2. How are seeds dispersed?
    Answer

Essential Study Partner
    Embryos and Seeds
    Fruits
    Germination

Labeling Exercises
Garden Bean Seed Structure (30.0K)
Corn Grain Structure (26.0K)

10.3 Asexual Reproduction

  • Plants also reproduce asexually. This ability can be commercially utilized to mass produce identical plants.
  1. List several ways in which flowering plants can reproduce asexually.
    Answer

  2. How might plant tissue culture be beneficial to plants as well as humans?
    Answer

Essential Study Partner
    Asexual Reproduction

10.4 Control of Growth and Responses

  • Plant growth and development are controlled by many internal and external signals.
  • Various hormones help regulate plant growth and development.
  • Flowering is influenced by genes and environmental signals.
  1. What are three stimulatory plant hormones and what are their functions?
    Answer

  2. List two inhibitory plant hormones and their functions.
    Answer

Essential Study Partner
    Plant Response – Introduction
    Plant Movement
    Hormones
    Photoperiod

Art Quizzes
    Plant Hormones
    Flowering Responses to Day Length
    Leaf Abscission Zone








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